Head coach Unai Emery said: “In Lucas Torreira, we have signed a young player who is a very bright talent in the game. A midfielder with great quality, I have enjoyed watching his performances for Sampdoria in the past two seasons, and we all saw him do very well for Uruguay in the World Cup. He is a young player already with good experience, but who wants to keep on growing. We welcome Lucas to Arsenal and look forward to him joining us soon for pre-season.”

Starting his youth career in Uruguay with I.A 18 Julio and then Montevideo Wanderers, Lucas moved to Italy in 2013 where he joined Pescara. He made his debut there as an 19-year-old in May 2015.